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Zero-knowledge guide

Zero knowledge proof

A zero-knowledge (ZK) proof is a method which allows a prover to demonstrate to a verifier that they know a particular piece of information (witness) satisfying certain properties, without revealing that information to the verifier.

zk-SNARK

Zero-knowledge Succinct Non-interactive Argument of Knowledge. A zk-SNARK is a particular kind of zero knowledge proof whose proofs are short and easy to verify.